Moved back and forth across something in a crossing pattern; marked with lines or paths that intersect repeatedly.
From 'crisscross' (a reduplication of 'cross'), possibly influenced by obsolete 'criss-cross-row' (a children's term). The doubled 'cross' creates an onomatopoeia-like visual effect of intersecting patterns.
The word 'crisscross' is a reduplication—English loves making new words by repeating or slightly varying a word, like 'zigzag,' 'riffraff,' and 'wishy-washy'—and reduplications often describe irregular, zig-zagging patterns.
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